JP5557902B2 - 磁気構成要素組立体 - Google Patents
磁気構成要素組立体 Download PDFInfo
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- JP5557902B2 JP5557902B2 JP2012509846A JP2012509846A JP5557902B2 JP 5557902 B2 JP5557902 B2 JP 5557902B2 JP 2012509846 A JP2012509846 A JP 2012509846A JP 2012509846 A JP2012509846 A JP 2012509846A JP 5557902 B2 JP5557902 B2 JP 5557902B2
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- 230000005291 magnetic effect Effects 0.000 title claims description 241
- 239000000696 magnetic material Substances 0.000 claims description 59
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- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
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- 239000010941 cobalt Substances 0.000 description 2
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/33—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/046—Printed circuit coils structurally combined with ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
回路基板用途のためのインダクタのような在来の磁気構成要素は典型的には、磁気コアと、前記コア内部のコイルと呼ばれることもある導電性巻線とを含んでいる。コアは、磁性材料から製作された分離したコア片から製作されていて、前記コア片の間に巻線が配置されている。種々の形態及び種々のタイプのコア片及び組立体が当業者に知られており、これらの一例としては、UコアとIコアの組立体、ERコアとIコアの組立体、ERコアとERコアの組立体、ポット・コアとTコアの組立体、及び他の適合する形状が挙げられる。分離したコア片は、接着剤で1つに結合されて、典型的には互いに物理的に所定のスペース又はギャップを置かれる。
従来技術における在来の磁気構成要素の問題点のうちのいくつかに対処する、磁気構成要素組立体の模範的な実施態様をここで論じる。考察の目的上、構成要素組立体及び製造方法の模範的な実施態様を、従来技術における具体的な懸念に対処する共通の構造的特徴に関連してまとめて論じるが、論じられた模範的な実施態様は下記に示す分類だけに限られるものでは必ずしもない。
記載された種々の特徴を種々の組み合わせにおいて混合し適合させ得ることは今や明らかである。例えば、ワイヤコイルが記載されている場合、プリント回路コイルを代わりに利用することができる。丸ワイヤコイルが記載されている別の例としては、平角ワイヤコイルを代わりに利用することができる。層状の構造が磁性本体のために記載されている場合には、非層状の磁性構造を代わりに利用することができる。磁気構成要素組立体のうちのいずれかと一緒に、記載された成端構造のいずれをも利用することができる。具体的な用途のニーズを満たすために、種々異なる磁気特性、コイルの種々異なる数及びタイプを有する、そして種々異なる性能特性を有する、多種多様の磁気構成要素組立体を有利に提供することができる。
本発明の利点は今や、前述の例及び実施態様から明らかであると思われる。数多くの実施態様及び例を具体的に記載してきたが、他の例及び実施態様も、開示された模範的なデバイス、組立体、及び方法の範囲及び思想の中に含まれることが可能である。
Claims (24)
- 予め製作された導電性の少なくとも1つのコイルと、積層磁性本体とを具備する電磁気構成要素組立体であって:
前記少なくとも1つのコイルは、熱活性化型及び化学的活性化型のうちの一方の結合剤から成る外層を含み;
前記積層磁性本体は、分散ギャップ特性をくまなく有して、前記少なくとも1つのコイルの周りに形成されていて、前記結合剤が、前記少なくとも1つのコイルを前記積層磁性本体に結合し、
前記積層磁性本体は、予め製作されて積重ねられた磁性材料の複数の層であって、互いに表面接触で加圧された磁性材料の複数の層を含んでおり、
前記予め製作された磁性材料の複数の層の各々は、磁性粉末粒子と薄いシートに成形された高分子バインダーとを含んでおり、
前記予め製作された少なくとも1つのコイルは、前記予め製作された磁性材料の複数の層の全てとは別に形成された自立型要素を含んでおり、
前記予め製作されて積重ねられた磁性材料の複数の層の2つが、予め製作された前記少なくとも1つのコイルの対向する両側に配置されて、予め製作された前記少なくとも1つのコイルを間に挟んでおり、
前記少なくとも1つのコイルと前記積層磁性本体とが、電子デバイスを駆動する直流電力インダクタを構成する、電磁気構成要素組立体。 - 前記少なくとも1つのコイルは高温絶縁材料をさらに備えている、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルが多重巻きワイヤコイルを具備する、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは、平角ワイヤ導体及び丸ワイヤ導体のうちの一方を具備する、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルが、前記積層磁性本体内で配列された2つ以上の独立したコイルを含む、請求項1に記載の電磁気構成要素組立体。
- 前記2つ以上の独立したコイルは、前記コイルの間で共有する磁束があるように、前記積層磁性本体内に配列されている、請求項5に記載の電磁気構成要素組立体。
- 前記積層磁性本体が、前記少なくとも1つのコイルの周りに成形される、請求項1に記載の電磁気構成要素組立体。
- 前記予め製作されて積重ねられた複数の層の少なくとも2つが、互いに異なる磁気特性を有している、請求項1に記載の電磁気構成要素組立体。
- 前記予め製作されて積重ねられた複数の層の少なくとも1つが磁性金属粉末を含んでいる、請求項8に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルに結合された成形コア片を更に具備し、前記積層磁性本体は、前記少なくとも1つのコイル及び前記成形コア片の周りに延びており、前記成形コア片は前記予め製作されて積重ねられた複数の層とは別に設けられている、請求項8に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルがフレキシブルプリント回路コイルを具備する、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのフレキシブルプリント回路コイルは、複数のフレキシブルプリント回路コイルを具備し、前記積層磁性本体は複数の前記フレキシブルプリント回路コイルの周りに形成されており、前記予め製作されて積重ねられた磁性材料の複数の層のうちの少なくとも2つが、異なる磁性材料を含んでいる、請求項11に記載の電磁気構成要素組立体。
- 前記プリント回路コイルと連携する成形コア片を更に具備しており、前記積層磁性本体が、前記フレキシブルプリント回路コイル及び前記成形コア片の周りに形成されている、請求項11に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは第1及び第2の遠位端部を含み、前記第1及び第2の遠位端部のうちの少なくとも一方が導電性液体材料で被覆されている、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは第1及び第2の遠位端部を含み、前記第1及び第2の遠位端部のうちの少なくとも一方が電着金属で被覆されている、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは第1及び第2の遠位端部を含み、該組立体は、それぞれの前記第1及び第2の遠位端部に電気的に接続された、前記積層磁性本体上に設けられた表面実装端子を更に具備し、前記端子が、前記積層磁性本体の表面上にめっきされている、請求項1に記載の電磁気構成要素組立体。
- 前記めっきされた端子はNi/Snめっきを含む、請求項16に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは、それぞれが前記積層磁性本体のそれぞれの面から突出する第1及び第2の遠位端部を含み、前記遠位端部がそれぞれの面に対して折り曲げられており、前記遠位端部が導電性クリップにそれぞれ接続されており、これにより該組立体のための表面実装端子を提供する、請求項1に記載の電磁気構成要素組立体。
- 前記遠位端部が、それぞれの導電性クリップに溶接又ははんだ付けされている、請求項18に記載の電磁気構成要素組立体。
- 各導電性クリップはスルーホールを含み、そして遠位端部は、前記スルーホールを介して各クリップに固定されている、請求項18に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルは、バリア被膜を施された銅導体を具備する、請求項1に記載の電磁気構成要素組立体。
- 前記積層磁性本体内部で前記少なくとも1つのコイルに結合されたリードフレームを更に具備し、前記リードフレームは前記積層磁性本体に対して面一にカットされている、請求項1に記載の電磁気構成要素組立体。
- 前記少なくとも1つのコイルが、対向する遠位端部を含み、前記コイルの遠位端部が、前記積層磁性本体の内部の位置で端子クリップに接続されている、請求項1に記載の電磁気構成要素組立体。
- 前記積層磁性本体が、ポリマーバインダーと組み合わされた、予めアニールされた磁性非晶質金属粉末から形成されている、請求項1に記載の電磁気構成要素組立体。
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Application Number | Priority Date | Filing Date | Title |
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US17526909P | 2009-05-04 | 2009-05-04 | |
US61/175,269 | 2009-05-04 | ||
PCT/US2010/032803 WO2010129352A1 (en) | 2009-05-04 | 2010-04-28 | Magnetic component assembly |
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JP2012526389A JP2012526389A (ja) | 2012-10-25 |
JP5557902B2 true JP5557902B2 (ja) | 2014-07-23 |
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JP2012509834A Expired - Fee Related JP6002035B2 (ja) | 2009-05-04 | 2010-04-26 | 磁気構成要素及び前記磁気構成要素の製造方法 |
JP2012509833A Expired - Fee Related JP5711219B2 (ja) | 2009-05-04 | 2010-04-26 | 磁気部品とその製造方法 |
JP2012509837A Pending JP2012526385A (ja) | 2009-05-04 | 2010-04-27 | 表面実装磁性部品及びその製造方法 |
JP2012509845A Expired - Fee Related JP5699133B2 (ja) | 2009-05-04 | 2010-04-28 | 表面実装磁性部品及びその製造方法 |
JP2012509846A Expired - Fee Related JP5557902B2 (ja) | 2009-05-04 | 2010-04-28 | 磁気構成要素組立体 |
JP2012509843A Pending JP2012526387A (ja) | 2009-05-04 | 2010-04-28 | 磁性部品用の薄型層状コイル及びコア |
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